Individual Calculations September 2009
 Ghattour, Mosab  Total change: 28.50  Rating chartPersonal card
 Individual Swiss Championship Graechen SUI 2009-07-09
RcRownchangeKK*chgGame
 2221 2076 4.50 9 1.62 15 24.30 
  Ekstroem, Roland m2476  * SUI0.5010.42156.30 
  Zuelle, Bruno 2120 SUI0.5010.06150.90 
  Gaehwiler, Gabriel 2247 SUI0.5010.23153.45 
  Georgiadis, Nico 2085 SUI0.5010.01150.15 
  Botta, Gabriele 2228 SUI1.0010.701510.50 
  Leutwyler, Martin 2169 SUI0.001-0.3715-5.55 
  Regez, Markus 2221 SUI0.5010.19152.85 
  Garano, Nicola 2228 ITA1.0010.701510.50 
  Lematschko, Tatjana wg2212 SUI0.001-0.3215-4.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 2009 African Individual Chess Championship (gen) Tripoli LBA 2009-07-21
RcRownchangeKK*chgGame
 2217 2076 2.50 8 -0.08 15 -1.20 
  Kaabi, Mejdi m2313 TUN0.001-0.2015-3.00 
  Shabash, Abdullatief Mohamed 2193 LBA0.5010.16152.40 
  Nyazi, Nehad 2237 EGY0.5010.21153.15 
  Frhat, Ali m2397 EGY0.001-0.1315-1.95 
  Ranaivoharisoa, Alain 2083 MAD0.001-0.4915-7.35 
  Obiamiwe, Paul 2043 NGR1.0010.45156.75 
  Wageih, Kareim m2257 EGY0.001-0.2615-3.90 
  Solomons, Deon c2210 RSA0.5010.18152.70 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 Arctic Chess Challenge 2009 Tromsø NOR 2009-08-01
RcRownchangeKK*chgGame
 2168 2076 3.50 8 0.36 15 5.40 
  Petrov, Marijan m2476  * BUL0.001-0.0815-1.20 
  Andreassen, Arnold 2074 NOR1.0010.50157.50 
  Forsaa, Espen f2311 NOR0.5010.29154.35 
  Engstrom, Kaj 2274 SWE0.001-0.2415-3.60 
  Gabaldon Gomez, Miguel Angel 2186 ESP0.001-0.3515-5.25 
  De Winter, Eric 1854 NED1.0010.22153.30 
  Fernandez, Daniel Howard f2200 SIN0.001-0.3315-4.95 
  Skage, Oystein Aagedal 1966 NOR1.0010.35155.25 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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